Title:
A pumping device of a multi-cylinder engine
Document Type and Number:
Japanese Patent JP5998503
Kind Code:
B2
Abstract:
An intake and exhaust apparatus of a multi-cylinder engine is provided. The engine is provided with a plurality of cylinders having intake and exhaust valves for opening and closing intake and exhaust ports, respectively. The apparatus includes an intake system including intake ports of respective cylinders, independent intake passages connected with the respective intake ports, a surge tank connected with upstream ends of the independent intake passages, and an air cleaner connected with the surge tank. The apparatus also includes an exhaust system including independent exhaust passages connected with an exhaust port of one cylinder or exhaust ports of the plurality of cylinders that are not continuous in exhausting order, and a collecting pipe connected with downstream ends of the independent exhaust passages in a bundled manner, and for collecting exhaust gas ejected from the downstream ends of the independent exhaust passages.
Inventors:
Wakabayashi Yoshitsugu
Application Number:
JP2012023976A
Publication Date:
September 28, 2016
Filing Date:
February 07, 2012
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02B27/00; F02B27/04
Domestic Patent References:
| JP3229918A | ||||
| JP57083232U | ||||
| JP61234225A | ||||
| JP62099629A | ||||
| JP1262319A | ||||
| JP2157420A | ||||
| JP4031626A | ||||
| JP4036023A | ||||
| JP6257518A | ||||
| JP2001140640A | ||||
| JP2004169574A | ||||
| JP2006183524A | ||||
| JP2007205198A | ||||
| JP2009097335A | ||||
| JP2011214436A | ||||
| JP2011214438A |
Foreign References:
| US6968825 | ||||
| US8256402 | ||||
| US20130074478 |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Ko Sato
Masataka Otani
Ko Sato